Home / 1,409,026,806.25-1,944,403,722.18-782,535,590.48

Finding the Fourth Proportional to 1,409,026,806.25, 1,944,403,722.18 and 782,535,590.48

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Solution

The fourth proportional to 1,409,026,806.25, 1,944,403,722.18 and 782,535,590.48 is: 1,079,869,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,026,806.25 : 1,944,403,722.18 = 782,535,590.48 : x
  2. Step 2: Convert to fraction form
    1,409,026,806.25/1,944,403,722.18 = 782,535,590.48/x
  3. Step 3: Cross multiply
    1,409,026,806.25x = 1,944,403,722.18 × 782,535,590.48
  4. Step 4: Simplify right side
    1,409,026,806.25x = 1,521,565,114,872,497,152
  5. Step 5: Solve for x
    x = 1,521,565,114,872,497,152/1,409,026,806.25
  6. Step 6: Final answer
    x = 1,079,869,529.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.